Topsy provides social media analytics software that provides Instant Social Insight to companies and organizations of all sizes.
The Topsy Pro platform has indexed 2.5B (and growing) pieces of data and information. This makes Topsy one ...

Yandex is an internet technologies company that operates in Russia, CIS and Turkey. It is the largest Russian and fourth-largest world internet search engine. Yandex is an acronym for the phrase Yet Another Indexer.
As of March 2013, Yan...

Market Share by Top Websites

1Yandex Metrics is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2
In terms of market share, Topsy is clearly lagging behind, losing to Yandex Metrics in all segments.